off-street

from WordNet (r) 3.0 (2006)

off-street
    adj 1: not on the streets; "off-street parking"; "off-street
           unloading of vehicles" [ant: {on-street}]

from The Collaborative International Dictionary of English v.0.48

off-street \off-street\ adj.
   Not performed on the streets; as, off-street parking;
   off-street unloading of vehicles. Opposite of {on-street}.
   [WordNet 1.5]